RESIN-COATED METAL PLATE AND METHOD OF DRILLING PRINTED WIRING BOARD USING THE METAL PLATE

摘要

A resin-coated metal plate and a method of drilling a printed wiring board using the metal plate are provided to form holes, whose inner wall is slick, close to each other on the printed wire board. A resin-coated metal plate(1) is used for a protection rear plate in drilling a hole(14) on a printed wiring board(10). The metal plate includes a resin film(2) including a thermoplastic resin coated on at least one surface of a metal plate(3). The melting peak temperature of the thermoplastic resin ranges 60‹C to 120‹C. In a TMA(Thermal Machine Analyzer), temperature difference ranges 5‹C to 30‹C within 20‹C to 200‹C of temperature range when a probe passes through the thermoplastic resin while resin thickness changes 10% to 100%. The thickness of the resin film ranges 30mum to 300mum. The metal plate is 50mum to 300mum thick.